Extract logic into transcribe service

internal/service/speechkit/speechkit.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"strings"
 
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
@@ -17,6 +18,8 @@ import (
 const (
 	SpeechKitEndpoint = "stt.api.cloud.yandex.net:443"
 	OperationEndpoint = "operation.api.cloud.yandex.net:443"
+
+	RecognitionModel = "deferred-general"
 )
 
 type SpeechKitService struct {
@@ -91,7 +94,7 @@ func (s *SpeechKitService) RecognizeFileFromS3(s3URI string) (string, error) {
 			Uri: s3URI,
 		},
 		RecognitionModel: &stt.RecognitionModelOptions{
-			Model: "general", // Используем общую модель
+			Model: RecognitionModel,
 			AudioFormat: &stt.AudioFormatOptions{
 				AudioFormat: &stt.AudioFormatOptions_ContainerAudio{
 					ContainerAudio: &stt.ContainerAudio{
@@ -121,7 +124,7 @@ func (s *SpeechKitService) RecognizeFileFromS3(s3URI string) (string, error) {
 }
 
 // GetRecognitionResult получает результат распознавания по ID операции
-func (s *SpeechKitService) GetRecognitionResult(operationID string) ([]*stt.StreamingResponse, error) {
+func (s *SpeechKitService) GetRecognitionText(operationID string) (string, error) {
 	ctx := context.Background()
 
 	// Добавляем авторизацию и folder_id в контекст
@@ -134,22 +137,28 @@ func (s *SpeechKitService) GetRecognitionResult(operationID string) ([]*stt.Stre
 
 	stream, err := s.sttClient.GetRecognition(ctx, req)
 	if err != nil {
-		return nil, fmt.Errorf("failed to get recognition stream: %w", err)
+		return "", fmt.Errorf("failed to get recognition stream: %w", err)
 	}
 
-	var responses []*stt.StreamingResponse
+	var sb strings.Builder
+
 	for {
 		resp, err := stream.Recv()
 		if err != nil {
 			if err.Error() == "EOF" {
 				break
 			}
-			return nil, fmt.Errorf("failed to receive recognition response: %w", err)
+			return "", fmt.Errorf("failed to receive recognition response: %w", err)
+		}
+		if final := resp.GetFinal(); final != nil {
+			for _, alt := range final.Alternatives {
+				sb.WriteString(alt.Text)
+				sb.WriteString(" ")
+			}
 		}
-		responses = append(responses, resp)
 	}
 
-	return responses, nil
+	return sb.String(), nil
 }
 
 // CheckOperationStatus проверяет статус операции распознавания
@@ -171,18 +180,3 @@ func (s *SpeechKitService) CheckOperationStatus(operationID string) (*operation.
 
 	return op, nil
 }
-
-// ExtractTranscriptionText извлекает текст из результатов распознавания
-func ExtractTranscriptionText(responses []*stt.StreamingResponse) string {
-	var fullText string
-
-	for _, resp := range responses {
-		if final := resp.GetFinal(); final != nil {
-			for _, alt := range final.Alternatives {
-				fullText += alt.Text + " "
-			}
-		}
-	}
-
-	return fullText
-}